Stendra vs Aygestin: side-by-side comparison
Stendra (Erectile Dysfunction (ED)) and Aygestin (Women's Sexual Health) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Stendra | Aygestin |
|---|---|---|
| Active ingredient | Avanafil | Norethindrone |
| Manufacturer | Metuchen Pharmaceuticals | Various generics |
| Class | Erectile Dysfunction (ED) | Women's Sexual Health |
| Strengths | 50mg, 100mg, 200mg | 5mg |
| Forms | tablet | tablet |
What's the same
Stendra and Aygestin are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Stendra belongs to Erectile Dysfunction (ED) while Aygestin belongs to Women's Sexual Health. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Stendra: Avanafil selectively inhibits phosphodiesterase type 5 (PDE5) in the corpus cavernosum, increasing cGMP and enhancing nitric-oxide-mediated vasodilation in response to sexual stimulation. Aygestin: Norethindrone binds to progesterone receptors and exerts progestational effects: thickening cervical mucus, suppressing the LH surge, thinning the endometrium and reducing endometrial implant activity in endometriosis.
When Stendra is preferred
Stendra is approved for erectile dysfunction in adult men.
When Aygestin is preferred
Aygestin is approved for endometriosis-associated pain, abnormal uterine bleeding due to hormonal imbalance, and secondary amenorrhoea.
Frequently asked questions
Is Stendra or Aygestin better? ▾
Stendra and Aygestin are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Stendra to Aygestin? ▾
Switching between Stendra and Aygestin is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Stendra and Aygestin have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Stendra comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.